(c) Time is of the essence of this Lease. Lessee agrees, upon Lessor’s request, to execute,
or otherwise authenticate, any document, record or instrument necessary or expedient for filing,
recording or perfecting the interest of Lessor or to carry out the intent of this Agreement. In
addition, Lessee hereby authorizes Lessor to file a financing statement and amendments thereto
describing the Aircraft and any engines, attachments, appurtenances and parts relating thereto and
containing any other information required by the applicable Uniform Commercial Code. At the
request of Lessor following any expiration or termination of this Lease, Lessee shall execute and
deliver to Lessor, for filing with the FAA, such documents as Lessor shall require to evidence and
confirm the expiration or termination of this Lease and the release of the Aircraft from the terms
and conditions hereof, and if Lessee fails for any reason to execute and deliver such documents to
Lessor, Lessee hereby irrevocably authorizes Lessor to sign Lessee’s name to such documents and
file such documents with the FAA. Lessee hereby ratifies its prior authorization for Lessor to
file financing statements and amendments thereto describing the Aircraft and containing any other
information required by any applicable law (including without limitation the Uniform Commercial
Code) if filed prior to the date hereof. All notices required to be given hereunder shall be
deemed adequately given if delivered in hand or sent by registered or certified mail to the
addressee at its address stated herein, or at such other place as such addressee may have
designated in writing. This Lease together with the Annexes hereto constitute the entire agreement
of the parties with respect to the subject matter hereof, and all Annexes referenced herein are